Computer display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a computer display screen or portion thereof with graphical user interface according to a first embodiment of the claimed design;

FIG. 2 is a front view of a second embodiment of the claimed design; and,

FIG. 3 is a front view of a second embodiment in a different environment.

The gray shading is part of the claimed design.

The longer broken-lines showing of a portion of a computer and the intermediate-length broken-lines showing a perimeter of a display screen of the computer, as well as the features within the interface shown in broken-lines, are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a computer display screen or portion thereof with graphical user interface, as shown and described. 